I’m pretty sure k=59 degrees since the area of a triangle is 180 so you just subtract the angles you already have to find the other one
Answer:
Step-by-step explanation:
<em><u>The correct function is</u></em>
we have
System of equations
-----> equation A
-----> equation B
Solve by substitution method
substitute equation B in equation A
Solve for r
Divide by 7.188π both sides
square root both sides
Answer:
-.91
Step-by-step explanation:
I'm not 100% sure, because i don't have graphing calculator on me, but the correlation coefficient is how well the line of best fit goes with the data, and the data points on the graph look like they match the line. The closer the correlation coefficient is to 1 or -1, means that it has a strong correlation coefficient. It's negative because the slope of the line is negative. If you really want to make sure, you can plug it into a graphing calculator in STAT.